body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: #f0f2f5;
}

.ant-card {
  margin-bottom: 16px;
}

.ant-list-item {
  margin-bottom: 16px;
}

.ant-rate {
  margin: 8px 0;
}

.ant-typography {
  margin-bottom: 8px !important;
}

.app {
  text-align: center;
  min-height: 100vh;
}

.app-header {
  background-color: #282c34;
  min-height: 64px;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  color: white;
}

.app-content {
  padding: 24px;
}

.course-schedule-table {
  border: 1px solid #f0f0f0;
}

.course-schedule-table .ant-table-thead > tr > th {
  background: #fafafa;
  font-weight: 600;
  padding: 12px 8px;
}

.course-schedule-table .ant-table-tbody > tr > td {
  padding: 0;
  vertical-align: top;
}

.course-schedule-table .ant-table-tbody > tr:hover > td {
  background: #fafafa;
}

.course-schedule-table .ant-btn-dashed {
  border-style: dashed;
  border-color: #d9d9d9;
}

.course-schedule-table .ant-btn-dashed:hover {
  border-color: #1890ff;
  color: #1890ff;
}

.course-schedule-table .ant-card {
  box-shadow: none;
}

.course-schedule-table .ant-card-body {
  padding: 8px;
}

/* 时间列样式 */
.time-cell {
  padding: 12px 8px;
  text-align: center;
  border-right: 1px solid #f0f0f0;
  background: #fafafa;
}

.time-cell .section {
  font-size: 14px;
  font-weight: 500;
  color: #262626;
  margin-bottom: 4px;
}

.time-cell .time-range {
  font-size: 12px;
  color: #595959;
} 